In FMEA how to give rating and how much maximum rating can you give it to a process or operation?

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Accepted Answer

FMEA ratings are given based on severity, occurrence, and detection. Maximum rating is 10.

FMEA ratings are given based on the severity of the failure mode, occurrence of the failure mode, and detection ability of the control measures
Each rating is given a score from 1 to 10, with 10 being the highest
The severity rating considers the impact of the failure mode on the customer or end user
The occurrence rating considers the likelihood of the failure mode occurring
The detection rating considers the ability of the control measures to detect the failure mode before it reaches the customer or end user
The overall risk priority number (RPN) is calculated by multiplying the severity, occurrence, and detection ratings
The maximum rating that can be given is 10
FMEA ratings are used to prioritize improvement actions and reduce the risk of failure

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